Delayed Effect of Acupuncture Treatment in OA of the Knee: A Blinded, Randomized, Controlled Trial

Table 2

Bivariant analysis by intention to treat.

	8 weeks		12 weeks (1-month follow-up)
	Mean (SD)	P-value	Mean (SD)	P-value
KSS knee score
Acupuncture	61.6 (16.3)	.15	63.54 (17.4)	.036
Sham	56.8 (17.5)		53.6 (17.1)
KSS pain score
Acupuncture	23.7 (10.6)	.7	24.0 (13.2)	.31
Sham	24.4 (11.4)		21.1 (12.7)
KSS function score
Acupuncture	65 (17.5)	.23	67.4 (24.2)	.01
Sham	59.7 (20.3)		54.7 (15.0)

Data are mean (SD) scores.
KSS, Knee Society Knee.